Remove redundant case override in TreeTypeMap

This case is handled in the same way by TreeMap.

Author: nicolasstucki

compiler/src/dotty/tools/dotc/ast/TreeTypeMap.scala

@@ -146,11 +146,6 @@ class TreeTypeMap(
           val bind1 = tmap.transformSub(bind)
           val expr1 = tmap.transform(expr)
           cpy.Labeled(labeled)(bind1, expr1)
-        case tree @ Hole(_, _, args, content, tpt) =>
-          val args1 = args.mapConserve(transform)
-          val content1 = transform(content)
-          val tpt1 = transform(tpt)
-          cpy.Hole(tree)(args = args1, content = content1, tpt = tpt1)
         case tree1 =>
           super.transform(tree1)
       }

compiler/src/dotty/tools/dotc/ast/Trees.scala

@@ -1563,8 +1563,8 @@ object Trees {
               cpy.Quote(tree)(transform(body)(using quoteContext))
             case tree @ Splice(expr) =>
               cpy.Splice(tree)(transform(expr)(using spliceContext))
-            case tree @ Hole(_, _, args, content, tpt) =>
-              cpy.Hole(tree)(args = transform(args), content = transform(content), tpt = transform(tpt))
+            case tree @ Hole(isTerm, idx, args, content, tpt) =>
+              cpy.Hole(tree)(isTerm, idx, transform(args), transform(content), transform(tpt))
             case _ =>
               transformMoreCases(tree)
           }